import Vue from 'vue'
import VueRouter from 'vue-router'

import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'

import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'

import Categories from '../components/goods/Categories.vue'
import Params from '../components/goods/Params.vue'

import Goods from '../components/goods/Goods.vue'
import Add from '../components/goods/Add.vue'

import Orders from '../components/orders/Orders.vue'
import Reports from '../components/reports/Reports.vue'
// import reports from'../components/reports/Report.vue'


// 路由懒加载
// const Login = () => import(/* webpackChunkName: "Login_Home_Welcome" */ '../components/Login.vue')
// const Home = () => import(/* webpackChunkName: "Login_Home_Welcome" */ '../components/Home.vue')
// const Welcome = () => import(/* webpackChunkName: "Login_Home_Welcome" */ '../components/Welcome.vue')

// const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')
// const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')
// const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')

// const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Categories.vue')
// const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')

// const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/List.vue')
// const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/Add.vue')

// const Order = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')
// const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/Welcome',
    children: [
      { path: '/home', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Categories },
      { path: '/params', component: Params },
      { path: '/goods', component: Goods },
      { path: '/goods/add', component: Add },
      { path: '/orders', component: Orders },
      { path: '/reports', component: Reports }
    ]
  }

]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫,to表示将要访问的路径，from表示从哪里来，next是下一个要做的操作 next('/login')强制跳转login
router.beforeEach((to, from, next) => {
  // 访问登录页，放行
  if (to.path === '/login') return next()
  // 获取token    
  const tokenStr = window.sessionStorage.getItem('token')
  // 没有token, 强制跳转到登录页
  if (!tokenStr) return next('/login')
  next()
})

export default router